Did you miss the part where he says over and over how he uses vim?
Did you read the replies on reddit where this was originally posted to where there are rebuttal to the author's claims?
http://www.reddit.com/r/vim/comments/1aq1lx/just_use_sublime...
Vim is a text editor and that's it. If you want it do be an IDE you're going to have a bad time. I'd recommend this piece on Unix as IDE